Which among the following is/are the method to calculate the National Income in an economy?
1. Measuring the aggregate value of factor payments
2. Measuring the aggregate value of goods and services produced by firms
3. Measuring the aggregate value of spending received by the firms
Select the correct answer using the code given below.
1
1 and 2 only
2
3 only
3
2 and 3 only
4
1, 2 and 3